Oil fell nearly 1 percent on Friday as a stronger dollar weighed on prices and falling equities raised concern about the economy and the outlook for energy demand.

U.S. coal miner Cloud Peak Energy, a unit of Rio Tinto Plc, priced shares in its initial public offering below expectations on concerns the flotation was designed to help its parent's balance sheet rather than fund its own growth.

Gold rallied late Friday in the face of a stronger dollar and ended higher for a third straight week on investor sentiment amid inflation concerns and economic uncertainty.

Risky assets have risen too much, too soon and too fast, but investors won't get an obvious sign that a correction is starting and will have to gauge fundamentals, Yogi Dewan, founder of Hassium Asset Management, said Thursday.

Global stocks were mostly lower Thursday as concerns about the pace of the recovery reared its head. Experts told CNBC they expect dollar weakness for some time to come and suggest staying out of cash.

U.S. crude futures fell more than 2 percent Thursday as a stronger dollar weighed and weaker equities raised concern about the economy and a potential rebound in energy demand.

Gold prices retreated on Thursday from the record high above $1,150 an ounce they reached in the previous session, reacting to a rise in the dollar as investors took profits in higher-yielding currencies.

Global stocks and commodities rebounded on Wednesday, with gold rising to a fresh high near $1,150 an ounce. Experts told CNBC stocks are likely to rally through until the end of the year.

The gold rally is far from over and the price of the precious metal could hit $1,400 per troy ounce by the end of the year and keep rising from there, James Turk, chairman and founder of GoldMoney, told CNBC.

Oil prices rose on Wednesday as a drop in U.S. oil and fuel inventories outweighed wider economic concerns.

Gold futures rose to record high of $1,151 an ounce Wednesday, as stronger-than-expected U.S. consumer prices stirred inflation worries.

The chance of BHP Billiton making another attempt to take over rival Rio Tinto soon after a bid ban expires later this month is low, analysts said on Tuesday.

Australian grains marketer AWB sees a return to profit in the year to Sept. 30, after reporting a net loss due to heavy writedowns on several of its business.

Gold fell in Europe on Tuesday, after the previous day's rally to record highs, as the dollar recovered from a 15-month low, but analysts said the rising trend was still firmly in place.

Oil prices rose Tuesday as demand for oil products supported crude, outweighing pressure from a stronger dollar.